/export/starexec/sandbox2/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES Problem: a(a(x1)) -> a(b(x1)) a(c(x1)) -> b(x1) b(b(x1)) -> c(b(a(x1))) Proof: String Reversal Processor: a(a(x1)) -> b(a(x1)) c(a(x1)) -> b(x1) b(b(x1)) -> a(b(c(x1))) DP Processor: DPs: a#(a(x1)) -> b#(a(x1)) c#(a(x1)) -> b#(x1) b#(b(x1)) -> c#(x1) b#(b(x1)) -> b#(c(x1)) b#(b(x1)) -> a#(b(c(x1))) TRS: a(a(x1)) -> b(a(x1)) c(a(x1)) -> b(x1) b(b(x1)) -> a(b(c(x1))) TDG Processor: DPs: a#(a(x1)) -> b#(a(x1)) c#(a(x1)) -> b#(x1) b#(b(x1)) -> c#(x1) b#(b(x1)) -> b#(c(x1)) b#(b(x1)) -> a#(b(c(x1))) TRS: a(a(x1)) -> b(a(x1)) c(a(x1)) -> b(x1) b(b(x1)) -> a(b(c(x1))) graph: c#(a(x1)) -> b#(x1) -> b#(b(x1)) -> a#(b(c(x1))) c#(a(x1)) -> b#(x1) -> b#(b(x1)) -> b#(c(x1)) c#(a(x1)) -> b#(x1) -> b#(b(x1)) -> c#(x1) b#(b(x1)) -> c#(x1) -> c#(a(x1)) -> b#(x1) b#(b(x1)) -> b#(c(x1)) -> b#(b(x1)) -> a#(b(c(x1))) b#(b(x1)) -> b#(c(x1)) -> b#(b(x1)) -> b#(c(x1)) b#(b(x1)) -> b#(c(x1)) -> b#(b(x1)) -> c#(x1) b#(b(x1)) -> a#(b(c(x1))) -> a#(a(x1)) -> b#(a(x1)) a#(a(x1)) -> b#(a(x1)) -> b#(b(x1)) -> a#(b(c(x1))) a#(a(x1)) -> b#(a(x1)) -> b#(b(x1)) -> b#(c(x1)) a#(a(x1)) -> b#(a(x1)) -> b#(b(x1)) -> c#(x1) Arctic Interpretation Processor: dimension: 1 usable rules: a(a(x1)) -> b(a(x1)) c(a(x1)) -> b(x1) b(b(x1)) -> a(b(c(x1))) interpretation: [c#](x0) = x0, [b#](x0) = x0, [a#](x0) = x0 + 0, [c](x0) = x0 + 0, [b](x0) = 1x0 + 3, [a](x0) = 1x0 + 3 orientation: a#(a(x1)) = 1x1 + 3 >= 1x1 + 3 = b#(a(x1)) c#(a(x1)) = 1x1 + 3 >= x1 = b#(x1) b#(b(x1)) = 1x1 + 3 >= x1 = c#(x1) b#(b(x1)) = 1x1 + 3 >= x1 + 0 = b#(c(x1)) b#(b(x1)) = 1x1 + 3 >= 1x1 + 3 = a#(b(c(x1))) a(a(x1)) = 2x1 + 4 >= 2x1 + 4 = b(a(x1)) c(a(x1)) = 1x1 + 3 >= 1x1 + 3 = b(x1) b(b(x1)) = 2x1 + 4 >= 2x1 + 4 = a(b(c(x1))) problem: DPs: a#(a(x1)) -> b#(a(x1)) b#(b(x1)) -> a#(b(c(x1))) TRS: a(a(x1)) -> b(a(x1)) c(a(x1)) -> b(x1) b(b(x1)) -> a(b(c(x1))) Restore Modifier: DPs: a#(a(x1)) -> b#(a(x1)) b#(b(x1)) -> a#(b(c(x1))) TRS: a(a(x1)) -> b(a(x1)) c(a(x1)) -> b(x1) b(b(x1)) -> a(b(c(x1))) EDG Processor: DPs: a#(a(x1)) -> b#(a(x1)) b#(b(x1)) -> a#(b(c(x1))) TRS: a(a(x1)) -> b(a(x1)) c(a(x1)) -> b(x1) b(b(x1)) -> a(b(c(x1))) graph: b#(b(x1)) -> a#(b(c(x1))) -> a#(a(x1)) -> b#(a(x1)) a#(a(x1)) -> b#(a(x1)) -> b#(b(x1)) -> a#(b(c(x1))) Arctic Interpretation Processor: dimension: 2 usable rules: a(a(x1)) -> b(a(x1)) c(a(x1)) -> b(x1) b(b(x1)) -> a(b(c(x1))) interpretation: [b#](x0) = [0 0]x0 + [0], [a#](x0) = [2 0]x0 + [0], [0 -&] [0 ] [c](x0) = [0 -&]x0 + [-&], [0 0] [0] [b](x0) = [2 0]x0 + [3], [2 0] [3] [a](x0) = [2 0]x0 + [0] orientation: a#(a(x1)) = [4 2]x1 + [5] >= [2 0]x1 + [3] = b#(a(x1)) b#(b(x1)) = [2 0]x1 + [3] >= [2 -&]x1 + [3] = a#(b(c(x1))) [4 2] [5] [2 0] [3] a(a(x1)) = [4 2]x1 + [5] >= [4 2]x1 + [5] = b(a(x1)) [2 0] [3] [0 0] [0] c(a(x1)) = [2 0]x1 + [3] >= [2 0]x1 + [3] = b(x1) [2 0] [3] [2 -&] [3] b(b(x1)) = [2 2]x1 + [3] >= [2 -&]x1 + [3] = a(b(c(x1))) problem: DPs: b#(b(x1)) -> a#(b(c(x1))) TRS: a(a(x1)) -> b(a(x1)) c(a(x1)) -> b(x1) b(b(x1)) -> a(b(c(x1))) Restore Modifier: DPs: b#(b(x1)) -> a#(b(c(x1))) TRS: a(a(x1)) -> b(a(x1)) c(a(x1)) -> b(x1) b(b(x1)) -> a(b(c(x1))) EDG Processor: DPs: b#(b(x1)) -> a#(b(c(x1))) TRS: a(a(x1)) -> b(a(x1)) c(a(x1)) -> b(x1) b(b(x1)) -> a(b(c(x1))) graph: SCC Processor: #sccs: 0 #rules: 0 #arcs: 0/1